Hi,
It seems that I've missed this part of the specification(which is indeed
important).
I'll push our vendor to comply with the standard behavior.
Thank you!
-PLX
On Mon, Jun 23, 2014 at 1:35 PM, takahashi.minoru <
[email protected]> wrote:
>
> On Mon, 23 Jun 2014 12:27:02 +0800
> Pyxis LX <[email protected]> wrote:
> > Hello,
> >
> > I'm testing switches with the switch test tool.
> >
> > I've found that the values of VLAN_VID look quite strange in this file:
> >
> > ryu/tests/switch/of13/action/25_SET_FIELD/06_VLAN_VID.json
> >
> > In line 15, 30, 79, 94, 143, 158 we have VLAN_VID 4196 and 4299
respectively.
> >
> > Should they be 100 and 203 or I missed something?
>
> I think OFPVID_PRESENT is bitwise-OR'ed with VID.
>
> enum ofp_vlan_id {
> OFPVID_PRESENT = 0x1000, /* Bit that indicate that a VLAN id is
set */
> OFPVID_NONE = 0x0000, /* No VLAN id was set. */
> };
>
> OF 1.3.4 spec (Table 13: Match combinations for VLAN tags.) says:
>
> "value | OFPVID_PRESENT" matches packets with VLAN tag and VID equal
value.
>
> i.e.
> 100 | 0x1000 = 4196
>
>
> And OF 1.3.4 spec (7.2.5 Action Structures) says:
>
> The value in the payload of the OXM TLV must be valid, in particular
the OFPVID_PRESENT
> bit must be set in OXM_OF_VLAN_VID set-field actions.
>
> i.e.
> 203 | 0x1000 = 4299
>
> >
> > Thanks!
> >
> > -PLX
> >
> >
> >
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>
>
>
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